Chapter 2, Problem 2.19P

(a)

Interpretation Introduction

Interpretation:

Binary compound ${\text{Li}}_{\text{2}}\text{S}$ has to be named.

Concept Introduction:

Binary compounds are the one that contains only two elements in it.  Binary compound may be formed from a metal and nonmetal or both can be nonmetals also.

Naming of binary compound that contains a metal and nonmetal is done by writing the metal name first followed by the name of nonmetal where the ending of the name of nonmetal is changed to “ide”.

Naming of binary compound that contains only nonmetals is done by using Greek prefixes before the name of nonmetal.  The second part of the name ends with “ide”.  Prefix “mono” is not used for the first element.

(b)

Interpretation Introduction

Interpretation:

Binary compound $\text{BaO}$ has to be named.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

Binary compound ${\text{Mg}}_{\text{3}}{\text{P}}_{\text{2}}$ has to be named.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

Binary compound $\text{CsBr}$ has to be named.

Concept Introduction:

Refer part (a).